docs: def delete_run(self, run_id):
          """
          Delete run of the given run_id.
  
          :raise NotImplementedError If not supported by the backend.
          :raise DataSourceError General data source error.
          :raise NotFoundError The run was not found. (Some backends may succeed even if the run does not exist.
          """
          ds = self.datastorage
          ds.get_metrics_dao().delete(run_id)
          # TODO: implement
          # ds.get_artifact_dao().delete(run_id)
          # ds.get_resource_dao().delete(run_id)
          ds.get_run_dao().delete(run_id)